From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17AE7C2D0E3 for ; Tue, 15 Sep 2020 21:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B545B20731 for ; Tue, 15 Sep 2020 21:34:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="dSJTHqOZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727935AbgIOVen (ORCPT ); Tue, 15 Sep 2020 17:34:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727894AbgIOVQr (ORCPT ); Tue, 15 Sep 2020 17:16:47 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4208C061351 for ; Tue, 15 Sep 2020 14:16:38 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id de12so3088105qvb.12 for ; Tue, 15 Sep 2020 14:16:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=rBEpAT9/SFMGCMSd5Os7EsFNXqLe39zVSJtjGGUatVU=; b=dSJTHqOZiuuDXKvtsDQ8oQ1PqjUxDy7pC2eYouUYa/AFSAuodkr6j/TZ2jO5NgNaAc g7YofzhuPIXWqXGAttfKHdujHDCWUY1lgj8UQWTG+rsmQYy0rl997KUAGV7Dsmnv1SOm rEnBBrKjBEb3+9EL1PxJaDOkTUUwqdUTCY98t15qBwyJqlTJ8qCncGTw29O5PD3gDUMY WaoaiAZLu+iktghDPpg4OCF7suInLAbvgvxlQ5D36dLCsOCKOWCa8mV8FjAOEhEObaNn IOu6FRq2u1BojQwe6vsGpGw10jJ/Diw2orJidd+Bi3EgKSzbpa7fb2iHxoKCAW35Mbvr JYpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=rBEpAT9/SFMGCMSd5Os7EsFNXqLe39zVSJtjGGUatVU=; b=Ph/f7HiLxvToOZaHHR7qiB9uUthdZ3e99nrodn34/lUDRvJutk7AsArOzs45Cr4JIT 7luOqxR+xZBiNIWq83wzoZTGQmSkuYw9+Enm66gGvWATygUoTjnDug7MF82+7dAEF9AT Ydb6z+QyWo1z+0XYkXn/KAiC6gODY8ZzaV+bpjJNUTE/oBC7+bK6uzoKToZUF9xRzj61 vuQ79CBbIp+m+B8NtnbeVwNkOsyFvyTxvJLn0cGxmJyd+JHxqIldUKON2jABVvW9j9Nv /DI2BpN3OVl75A4R/fsL6vdg0kN7LNbS8+ZWdBAoWGGnafbMtK9+QJy/DckxmkPOE4UQ h+Yg== X-Gm-Message-State: AOAM531pIeG/Yn7+JyYnqYiPB5XcJzj+I4Vi2XUd/khHuicgp6WoO3ub ewOdGkmRVklNKcgwAMmab4ZGnGjRfoPRHHxn X-Google-Smtp-Source: ABdhPJwVtoNlwGtVWMSadXgwwXxS2o67SZR8HangbbD87rRH9KN5qPngrQJpmzAic4pHTiuGP2p7N8MS0/tYgX6p X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:ad4:58aa:: with SMTP id ea10mr3757654qvb.58.1600204597332; Tue, 15 Sep 2020 14:16:37 -0700 (PDT) Date: Tue, 15 Sep 2020 23:15:48 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.618.gf4bc123cb7-goog Subject: [PATCH v2 06/37] kasan: only build init.c for software modes From: Andrey Konovalov To: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev@googlegroups.com Cc: Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , Will Deacon , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. The new mode won't be using shadow memory, so only build init.c that contains shadow initialization code for software modes. No functional changes for software modes. Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino --- Change-Id: I8d68c47345afc1dbedadde738f34a874dcae5080 --- mm/kasan/Makefile | 6 +++--- mm/kasan/init.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile index 370d970e5ab5..7cf685bb51bd 100644 --- a/mm/kasan/Makefile +++ b/mm/kasan/Makefile @@ -29,6 +29,6 @@ CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME) CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME) CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME) -obj-$(CONFIG_KASAN) := common.o init.o report.o -obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o -obj-$(CONFIG_KASAN_SW_TAGS) += tags.o tags_report.o +obj-$(CONFIG_KASAN) := common.o report.o +obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o generic_report.o quarantine.o +obj-$(CONFIG_KASAN_SW_TAGS) += init.o tags.o tags_report.o diff --git a/mm/kasan/init.c b/mm/kasan/init.c index 754b641c83c7..20f5e1ab8d95 100644 --- a/mm/kasan/init.c +++ b/mm/kasan/init.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * This file contains some kasan initialization code. + * This file contains KASAN shadow initialization code. * * Copyright (c) 2015 Samsung Electronics Co., Ltd. * Author: Andrey Ryabinin -- 2.28.0.618.gf4bc123cb7-goog